using System;
using System.Runtime.InteropServices;

namespace WinSnmp
{
	/// <summary>
	/// Snmp API enumerations
	/// </summary>
	public enum	SNMPAPI_RETRANSMIT : int
	{
		SNMPAPI_OFF	= 0,
		SNMPAPI_ON	= 1
	}

	public enum	SNMPAPI_TRANSLATE : int
	{
		SNMPAPI_TRANSLATED      = 0,
		SNMPAPI_UNTRANSLATED_V1 = 1,
		SNMPAPI_UNTRANSLATED_V2 = 2
	}

	public enum	SNMPAPI_STATUS : uint
	{
		SNMPAPI_FAILURE            = 0,		/* Generic error code */
		SNMPAPI_SUCCESS            = 1,		/* Generic success code */

		/* WinSNMP API Error Codes (for SnmpGetLastError) */
		/* (NOT SNMP Response-PDU error_status codes) */
		SNMPAPI_ALLOC_ERROR        = 2,		/* Error allocating memory */
		SNMPAPI_CONTEXT_INVALID    = 3,		/* Invalid context parameter */
		SNMPAPI_CONTEXT_UNKNOWN    = 4,		/* Unknown context parameter */
		SNMPAPI_ENTITY_INVALID     = 5,		/* Invalid entity parameter */
		SNMPAPI_ENTITY_UNKNOWN     = 6,		/* Unknown entity parameter */
		SNMPAPI_INDEX_INVALID      = 7,		/* Invalid VBL index parameter */
		SNMPAPI_NOOP               = 8,		/* No operation performed */
		SNMPAPI_OID_INVALID        = 9,		/* Invalid OID parameter */
		SNMPAPI_OPERATION_INVALID  = 10,	/* Invalid/unsupported operation */
		SNMPAPI_OUTPUT_TRUNCATED   = 11,	/* Insufficient output buf len */
		SNMPAPI_PDU_INVALID        = 12,	/* Invalid PDU parameter */
		SNMPAPI_SESSION_INVALID    = 13,	/* Invalid session parameter */
		SNMPAPI_SYNTAX_INVALID     = 14,	/* Invalid syntax in smiVALUE */
		SNMPAPI_VBL_INVALID        = 15,	/* Invalid VBL parameter */
		SNMPAPI_MODE_INVALID       = 16,	/* Invalid mode parameter */
		SNMPAPI_SIZE_INVALID       = 17,	/* Invalid size/length parameter */
		SNMPAPI_NOT_INITIALIZED    = 18,	/* SnmpStartup failed/not called */
		SNMPAPI_MESSAGE_INVALID    = 19,	/* Invalid SNMP message format */
		SNMPAPI_HWND_INVALID       = 20,	/* Invalid Window handle */
		SNMPAPI_OTHER_ERROR        = 99,	/* For internal/undefined errors */

		/* Generic Transport Layer (TL) Errors */
		SNMPAPI_TL_NOT_INITIALIZED = 100,	/* TL not initialized */
		SNMPAPI_TL_NOT_SUPPORTED   = 101,	/* TL does not support protocol */
		SNMPAPI_TL_NOT_AVAILABLE   = 102,	/* Network subsystem has failed */
		SNMPAPI_TL_RESOURCE_ERROR  = 103,	/* TL resource error */
		SNMPAPI_TL_UNDELIVERABLE   = 104,	/* Destination unreachable */
		SNMPAPI_TL_SRC_INVALID     = 105,	/* Source endpoint invalid */
		SNMPAPI_TL_INVALID_PARAM   = 106,	/* Input parameter invalid */
		SNMPAPI_TL_IN_USE          = 107,	/* Source endpoint in use */
		SNMPAPI_TL_TIMEOUT         = 108,	/* No response before timeout */
		SNMPAPI_TL_PDU_TOO_BIG     = 109,	/* PDU too big for send/receive */
		SNMPAPI_TL_OTHER           = 199	/* Undefined TL error */
	}

	public enum	SNMPAPI_PDU : int
	{
		SNMP_PDU_GET      = 0xa0,
		SNMP_PDU_GETNEXT  = 0xa1,
		SNMP_PDU_RESPONSE = 0xa2,
		SNMP_PDU_SET      = 0xa3,
		SNMP_PDU_V1TRAP   = 0xa4,
		SNMP_PDU_GETBULK  = 0xa5,
		SNMP_PDU_INFORM   = 0xa6,
		SNMP_PDU_TRAP     = 0xa7
	}

	public enum	SNMPAPI_SYNTAX : int
	{
		// SNMP ObjectSyntax Values
		SNMP_SYNTAX_SEQUENCE        = 0x30,

		// These values are used in the "syntax" member of the smiVALUE structure which follows
		SNMP_SYNTAX_INT             = 0x02,
		SNMP_SYNTAX_INT32           = SNMP_SYNTAX_INT,
		SNMP_SYNTAX_BITS            = 0x03,
		SNMP_SYNTAX_OCTETS          = 0x04,
		SNMP_SYNTAX_NULL            = 0x05,
		SNMP_SYNTAX_OID             = 0x06,

		SNMP_SYNTAX_IPADDR          = 0x40,
		SNMP_SYNTAX_CNTR32          = 0x41,
		SNMP_SYNTAX_GAUGE32         = 0x42,
		SNMP_SYNTAX_TIMETICKS       = 0x43,
		SNMP_SYNTAX_OPAQUE          = 0x44,
		SNMP_SYNTAX_NSAPADDR        = 0x45,
		SNMP_SYNTAX_CNTR64          = 0x46,
		SNMP_SYNTAX_UINT32          = 0x47,

		// Exception conditions in response PDUs for SNMPv2
		SNMP_SYNTAX_NOSUCHOBJECT    = 0x80,
		SNMP_SYNTAX_NOSUCHINSTANCE  = 0x81,
		SNMP_SYNTAX_ENDOFMIBVIEW    = 0x82
	}

	public enum	SNMPAPI_ERROR_STATUS : int
	{
		SNMP_ERROR_NOERROR             = 0,
		SNMP_ERROR_TOOBIG              = 1,
		SNMP_ERROR_NOSUCHNAME          = 2,
		SNMP_ERROR_BADVALUE            = 3,
		SNMP_ERROR_READONLY            = 4,
		SNMP_ERROR_GENERR              = 5,
		SNMP_ERROR_NOACCESS            = 6,
		SNMP_ERROR_WRONGTYPE           = 7,
		SNMP_ERROR_WRONGLENGTH         = 8,
		SNMP_ERROR_WRONGENCODING       = 9,
		SNMP_ERROR_WRONGVALUE          = 10,
		SNMP_ERROR_NOCREATION          = 11,
		SNMP_ERROR_INCONSISTENTVALUE   = 12,
		SNMP_ERROR_RESOURCEUNAVAILABLE = 13,
		SNMP_ERROR_COMMITFAILED        = 14,
		SNMP_ERROR_UNDOFAILED          = 15,
		SNMP_ERROR_AUTHORIZATIONERROR  = 16,
		SNMP_ERROR_NOTWRITABLE         = 17,
		SNMP_ERROR_INCONSISTENTNAME    = 18
	}
}